Improvement in wheat-drills



E. O. BRYDEN.

Seed-Planter. v

No. 21,018 Patented July 27, 1858.

UNTTED STATES PATENT @EETCE.

O. BRYDEN, OF LAFAYETTE, INDIANA.

Specification forming part of Letters Patent No. 2 1,018, dated July '27, 18i8.

To all whom it may concern Be it known that I, EDWARD O. BRYDEN, of Lafayette, in the county of Tippecanoe and State of Indiana, have invented a new and useful Improvement in WVheat-Drills, of which the following is a full and exact description, reference being had to the accompanying drawings and the letters of reference marked thereon.

Figure 1 is a perspective view. Figs. 2 and 3 are sectional views, representing the operation and arrangement of the machine.-

A is a hopper.

B C G is a hinged frame.

D D D D are holders, to which are attached the vibrating levers E E E E.

F F F F are spouts leading to the hollow teeth G G G G.

H H H H are rolling cutters.

I is a lever-rod, to which is attached the double crank or leverJ, for the purpose of expanding or contracting the bars 0 O, and which are hinged at L and L.

M is a wheel, to which are attached the cranks N N.

O O are pitmen connecting the cranks NN with the levers P P.

Q Q and U U are slides attached to the levers P P.

R R R R R R are conducting and S S S S S S S S are distributing cells leading to the shoos T T T T.

B is a beam or center bar.

The following is the operation of the machine: As it is moved forward the wheel M, rolling upon the ground, gives motion to the slides Q Q and U U by means of the cranks N N, pitmen O O, and levers P P. The cranks N N, being set upon the axle of the wheel M at different angles, give alternate motions to the slides Q, Q and U U. The distributingcells receive the charge from the receivingcells at each end of the stroke, thereby causing a continuous flow of grain through the spouts F F F F and teeth G G G G. The cutters H H H H, as the machine is passed along, cut theand prevent them from lodging and clogging the machine. Anything that may not be cut will be passed over by the rollers or cutters. The machine is expanded or contracted by op erating the lever-rod I and lever J, which forces out the bars 0 O by means of the pitmen V and V.

In order to show the operation of the re volving cutters H H H, &c., and the teeth G G G, &c., it will be necessary to describe the construction and operation of the sliding levers E E E E, the end of the same sliding through guides upon the center beam, B. This sliding portion is constructed in the form of the arc of a circle whose radius is equal to the distance of the concentric holders D D D D from the hinge L L beingplaced at the proper angle to suit the distance that the machine is spread or that the bars 0 O are moved upon the hinge L L. The are being inverted, as in the case of the slide upon the levers E E E E, and the levers E E E E being placed in the concentric holders D D D D at right angles with the cutters H H H H and teeth G G G G, as the machine is expanded the arc of the lever carries that end forward as fast as the con centric holder, thereby keeping the tooth following in line with the cutter.

Experiment has shown that this machine may be run for a whole day through a field full of weeds and trash without clogging.

What I claim, and desire to secure by Let ters Patent, is-- The combination and arrangement of the cutters H H H H and teeth G G G Gwith the concentric holders D D D D and levers E E E E, and the combination and arrangement of the slides Q Q and U U and the levers PP with the pitmen O O and cranks N N, when constructed and operated as set forth.

EDWARD O. BRYDEN.

Vitnesses: I

H. W. ELLSWORTH, J OHN R-EnsToNE.

stalks and other things in the way of the teeth, 

